Eqsyio – Free Online Calculators and Tools
Simple, fast, and accurate calculators for math, finance, health, and time.
Calculator
Math tools for percentages, fractions, area & more
Time
Countdowns & date tools
Money
Discounts & savings
Random
Generators & fun tools
Health
BMI & lifestyle calculators
Environment
Water, rainfall & environmental impact tools
♠︎ Cards
Play free memory and matching card games — fun, fast, and mobile-friendly.
👉 Popular & Featured Tools
💧 Rainfall Lake Rise Calculator
Estimate how rainfall changes lake water levels based on area, rainfall, and runoff — includes glacier adjustment.
🎲 Dice Roller
Roll one or multiple dice for board games and fun.
🎱 Magic 8-Ball
Ask any question and reveal your fate — just like the classic toy.
🧾 Tip Calculator
Easily calculate how much to tip and split bills fairly — with local tipping rates by country and live totals per person.
About Eqsy.io
Eqsy.io is a growing collection of smart, free-to-use online tools — from quick math and finance calculators to environmental data visualizers, random generators, and interactive games.
Our goal is to make everyday calculations and decisions faster, clearer, and a bit more fun. Whether you’re figuring out savings growth, checking water balance, spinning a random wheel, or matching cards in a memory game, Eqsy.io gives you instant, ad-supported access without sign-ups or downloads.
Every tool is crafted with accuracy, simplicity, and clean design in mind. We continuously add new features, update data sources, and expand into fresh categories — including our latest Card Games, where you can track your high scores and challenge friends directly in your browser.
Eqsy.io is built and maintained in Norway, serving a global audience that values clarity, functionality, and playful learning.
© 2025 Eqsy.io – Free Online Tools